64331316654 has 48 divisors (see below), whose sum is σ = 141482686800. Its totient is φ = 19486051200.

The previous prime is 64331316589. The next prime is 64331316667. The reversal of 64331316654 is 45661313346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1812672 + ... + 1847820.

It is an arithmetic number, because the mean of its divisors is an integer number (2947555975).

Almost surely, 2^64331316654 is an apocalyptic number.

64331316654 is an abundant number, since it is smaller than the sum of its proper divisors (77151370146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64331316654 is a wasteful number, since it uses less digits than its factorization.

64331316654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37697 (or 37686 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The spelling of 64331316654 in words is "sixty-four billion, three hundred thirty-one million, three hundred sixteen thousand, six hundred fifty-four".